25684904

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 57258240

約数和(自身を除く): 31573336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 73, 103, 122, 146, 206, 244, 292, 412, 427, 488, 511, 584, 721, 824, 854, 1022, 1442, 1708, 2044, 2884, 3416, 4088, 4453, 5768, 6283, 7519, 8906, 12566, 15038, 17812, 25132, 30076, 31171, 35624, 43981, 50264, 52633, 60152, 62342, 87962, 105266, 124684, 175924, 210532, 249368, 351848, 421064, 458659, 917318, 1834636, 3210613, 3669272, 6421226, 12842452, 25684904]

約数ペア:

[(1, 25684904), (2, 12842452), (4, 6421226), (7, 3669272), (8, 3210613), (14, 1834636), (28, 917318), (56, 458659), (61, 421064), (73, 351848), (103, 249368), (122, 210532), (146, 175924), (206, 124684), (244, 105266), (292, 87962), (412, 62342), (427, 60152), (488, 52633), (511, 50264), (584, 43981), (721, 35624), (824, 31171), (854, 30076), (1022, 25132), (1442, 17812), (1708, 15038), (2044, 12566), (2884, 8906), (3416, 7519), (4088, 6283), (4453, 5768)]